LOWVILLE (V) MUNICIPAL PCF
NPDES ID: NY0020125
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 10 effluent violations.
Violations
May 31, 2026
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
187% over limit
Discharged 975.6459918 kg/d against a permitted limit of 340.49999714 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 10 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
58% over limit
Discharged 71 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 38 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
47% over limit
Discharged 78 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
58% over limit
Discharged 359.11399698 kg/d against a permitted limit of 226.99999809 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
6% over limit
Discharged 2.11 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Flow, in conduit or thru treatment plant
21% over limit
Discharged 2.42 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
32% over limit
Discharged 2.63 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
57% over limit
Discharged 534.35799551 kg/d against a permitted limit of 340.49999714 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.8 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 42 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
36% over limit
Discharged 61 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
59% over limit
Discharged 360.02199697 kg/d against a permitted limit of 226.99999809 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
73% over limit
Discharged 74 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
207% over limit
Discharged 54 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
13% over limit
Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
46% over limit
Discharged 497.12999582 kg/d against a permitted limit of 340.49999714 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
113% over limit
Discharged 68 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, total suspended
118% over limit
Discharged 98 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, suspended percent removal
67% over limit
Discharged 75 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, suspended percent removal
240% over limit
Discharged 49 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
260% over limit
Discharged 46 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
November 30, 2025
BOD, 5-day, percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 10 mg/L against a permitted limit of 40 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 53 mg/L against a permitted limit of 0 mg/L (7 DA AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 207.93199825 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Carbonaceous oxygen demand, % removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 7.1 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 32.68799973 kg/d against a permitted limit of 190.6799984 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, settleable
67% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.4 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
4% over limit
Discharged 2.08 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 45 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Toxicity [acute], Ceriodaphnia dubia
0% over limit
Discharged 0.3 toxic against a permitted limit of 13.3 toxic (MAXIMUM)
DMR, Limited - Overdue
Toxicity [chronic], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 2 toxic against a permitted limit of 88.5 toxic (MAXIMUM)
DMR, Limited - Overdue
Toxicity [chronic], Ceriodaphnia dubia
0% over limit
Discharged 0.3 toxic against a permitted limit of 88.5 toxic (MAXIMUM)
DMR, Limited - Overdue
Toxicity [acute], Pimephales promelas [Fathead Minnow]
0% over limit
Discharged 0.3 toxic against a permitted limit of 13.3 toxic (MAXIMUM)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 272.39999771 kg/d against a permitted limit of 0 kg/d (7 DA AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 53.57199955 kg/d against a permitted limit of 304.17999744 kg/d (7 DA AVG)
DMR, Limited - Overdue
May 31, 2025
Carbonaceous oxygen demand, % removal
93% over limit
Discharged 71 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Chlorine, total residual
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.4 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 9.4 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
133% over limit
Discharged 65 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
67% over limit
Discharged 75 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
March 31, 2025
Flow, in conduit or thru treatment plant
16% over limit
Discharged 2.31 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
67% over limit
Discharged 75 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
2% over limit
Discharged 2.03 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
120% over limit
Discharged 67 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, percent removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
December 31, 2024
Flow, in conduit or thru treatment plant
2% over limit
Discharged 2.04 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
47% over limit
Discharged 78 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
November 30, 2024
Flow, in conduit or thru treatment plant
7% over limit
Discharged 2.13 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
53% over limit
Discharged 77 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
September 30, 2024
Chlorine, total residual
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
12% over limit
Discharged 2.23 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
Carbonaceous oxygen demand, % removal
47% over limit
Discharged 78 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
July 31, 2024
Chlorine, total residual
10% over limit
Discharged 2.2 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
6% over limit
Discharged 2.11 MGD against a permitted limit of 2 MGD (MO AVG)
DMR, Limited - Numeric Violation
Carbonaceous oxygen demand, % removal
120% over limit
Discharged 67 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)